package vn.vnu.uet.university;

import vn.vnu.uet.university.bean.User;

public class Token {
	public static Token token = new Token();
	public User user;
	public static String role;

	public static Token instance() {
		if (token == null)
			token = new Token();
		return token;
	}

	public static void clear() {

		token = null;
	}
	
	private Token(){
	}
}
